25002
domain: N
Appears in sequences
- a(0) = 1, a(n) = 40*n^2 + 2 for n>0.at n=25A010022
- OR-convolution of squares A000290 with themselves.at n=33A033459
- Number of nX3 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=4A203486
- T(n,k)=Number of nXk 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=25A203491
- Number of 5Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.at n=2A203495
- Number of lines through at least two points of a centered hexagonal grid of size n.at n=10A241220
- a(n) is the binary XOR of all n-bit prime numbers.at n=15A298817